package net.aizhuoyue.demo;

public class ThreadAddSub extends Thread {
	//判断要进行的操作
	boolean operate = true;
	//要操作的数
	static int sum = 0;
	  
	// 把操作运算通过构造方法传进来
	public ThreadAddSub(boolean operate) {
	super();
	this.operate = operate;
	}
	  
	@Override
	public void run() {
	super.run();
	while (true) {
		if (operate) {
			sum+=5;
			System.out.println("加后，sum="+sum);
			} 
			else {
				sum-=4;
				System.out.println("减后，sum="+sum);
				}
			try {
			sleep(500);// 睡眠0.5秒
			} catch (InterruptedException e) {
			e.printStackTrace();
			}
		}
	  
	}
}
